// Copyright (c) 2009 Paul Kohler
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
// and associated documentation files (the "Software"), to deal in the Software without restriction, 
// including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
// and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do 
// so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or substantial 
// portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR 
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
using System;
using System.IO;

namespace FileSystemDatabase
{
	public abstract class FileSystemDatabase
	{
		protected FileSystemDatabase(string basePath)
		{
			BasePath = basePath;
		}

		public string BasePath { get; private set; }
		public bool WriteIndented { get; set; }
		public string FileExtension { get; set; }

		public abstract string Write<T>(T row, string id);
		public abstract T Read<T>(string id);
		protected abstract T InternalRead<T>(string filename);
		public abstract T[] Read<T>();

		public abstract void Delete<T>(string id);
		public abstract void Delete(Type type, string id);

		public abstract string CreateBackup(string zipName);

		public virtual string CreateID()
		{
			return Guid.NewGuid().ToString("D");
		}

		protected string CreateFilename(Type type, string id)
		{
			return Path.Combine(BasePath, string.Format("{0}-{1}.{2}", type.Name, id, FileExtension));
		}
	}
}